Though he was able to signal and murmur to the paramedics, on the way to the hospital he lapsed into a coma.
en.wikipedia.org He later had a leading role in the biological therapies, such as insulin coma and convulsive therapy.
en.wikipedia.org These include headache, dizziness, disorientation, vision disturbances, loss of short-term memory, motor weakness, seizures, profuse respiratory secretions, hiccoughs, unstable blood pressure, cardiac arrhythmia and coma.
en.wikipedia.org Rare complications include seizure, coma, pulmonary edema, respiratory failure or localised skin infection.
en.wikipedia.org Patients may present with consciousness problems, headaches, nausea, visual defects, fatigue, disturbance of eye movements and pupillary reflexes, or coma.
en.wikipedia.org